A researchers titrated a 100mL solution of 0.1M glycine at pH 1.72 with 2 M NaOH solution. She then monitored the pH and plotted the results in the graph shown here. The key points in the titration are designated I through V. For each of the statements, identify the appropriate key point in the titration. PromptsSubmitted AnswersThe predominant glycine species is +H3N-CH2-COOH.Choose a matchGlycine predominantly exists as a 50:50 mixture of +H3N-CH2-COOH and +H3N-CH2-COO-.The isoelectric point of glycine.The pH is equal to the pka of the protonated amino group.VThe predominant glycine species is H2N-CH2-CoO-.noneAdditional contentIV 1211.30(V)109.60(IV)8pH6 5.97(III)42.342(1I)(1)0.51.01.52.0OH- (equivalents)

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researchers titrated a 100mL solution of 0.1M glycine at pH 1.72 with 2 M NaOH solution. She then monitored the pH and plotted the results in the graph shown here. The key points in the titration are designated I through V. For each of the statements, identify the appropriate key point in the titration.

researchers titrated a 100mL solution of 0.1M glycine at pH 1.72 with 2 M NaOH solution. She then monitored the pH and plotted the results in the graph shown here. The key points in the titration are designated I through V. For each of the statements, identify the appropriate key point in the titration.

Introductory Chemistry: A Foundation

9th Edition

ISBN:9781337399425

Author:Steven S. Zumdahl, Donald J. DeCoste

Publisher:Steven S. Zumdahl, Donald J. DeCoste

Chapter15: Solutions

Section: Chapter Questions

Problem 1CR

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